As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RECEIVED A GEAR DISAGREE WARNING MESSAGE WITH THE NOSE GEAR NOT COMING UP. DIVERTED. REMOVED AND REPLACED THE NLG DOOR SELECTOR VALVE IAW AMM. OPS CHECKED GOOD. SWUNG THE GEAR SEVERAL TIMES WITH NO FAULTS. OPS CHECK GOOD AT THIS TIME IAW AMM.